2. Verb. (slang) To drink caffeinated beverages in order to increase energy levels in the body, enhance physical or mental performance, or simply to wake up. ¹
3. Verb. (slang) To inject tension (''usually into a situation'') for the amusement of the instigator; to stir things up. ¹
4. Verb. (slang) To provoke (''as in a person'') also for the amusement of the instigator. ¹
¹ Source: wiktionary.com